{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["concept or principle", "machanical property", "engineering feature", "biomedical", "manufacturing standard", "enabling technology"], "input": "The microstructure variation and strengthening mechanisms resulting from the new manufacturing approach are analysed in detail ."}
{"concept or principle": ["microstructure", "strengthening mechanisms"], "machanical property": [], "engineering feature": [], "biomedical": [], "manufacturing standard": [], "enabling technology": []}